AT363521B - DEVICE FOR INSERTING AND HIDING ADDITIONAL INFORMATION BITS IN A OR FROM A BIT SEQUENCE - Google Patents

DEVICE FOR INSERTING AND HIDING ADDITIONAL INFORMATION BITS IN A OR FROM A BIT SEQUENCE

Info

Publication number
AT363521B
AT363521B AT0646377A AT646377A AT363521B AT 363521 B AT363521 B AT 363521B AT 0646377 A AT0646377 A AT 0646377A AT 646377 A AT646377 A AT 646377A AT 363521 B AT363521 B AT 363521B
Authority
AT
Austria
Prior art keywords
additional information
bit sequence
information bits
hiding additional
hiding
Prior art date
Application number
AT0646377A
Other languages
German (de)
Other versions
ATA646377A (en
Original Assignee
Gretag Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gretag Ag filed Critical Gretag Ag
Publication of ATA646377A publication Critical patent/ATA646377A/en
Application granted granted Critical
Publication of AT363521B publication Critical patent/AT363521B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
AT0646377A 1976-09-09 1977-09-08 DEVICE FOR INSERTING AND HIDING ADDITIONAL INFORMATION BITS IN A OR FROM A BIT SEQUENCE AT363521B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1144576A CH621445A5 (en) 1976-09-09 1976-09-09

Publications (2)

Publication Number Publication Date
ATA646377A ATA646377A (en) 1981-01-15
AT363521B true AT363521B (en) 1981-08-10

Family

ID=4373561

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0646377A AT363521B (en) 1976-09-09 1977-09-08 DEVICE FOR INSERTING AND HIDING ADDITIONAL INFORMATION BITS IN A OR FROM A BIT SEQUENCE

Country Status (10)

Country Link
US (1) US4151373A (en)
JP (1) JPS5359318A (en)
AT (1) AT363521B (en)
CA (1) CA1103371A (en)
CH (2) CH621445A5 (en)
DE (1) DE2740347A1 (en)
FR (1) FR2364574A1 (en)
GB (1) GB1552529A (en)
NL (1) NL7709937A (en)
SE (1) SE7710097L (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7710503A (en) * 1977-09-27 1979-03-29 Philips Nv DIGITAL TRANSMISSION SYSTEM.
US4225919A (en) * 1978-06-30 1980-09-30 Motorola, Inc. Advanced data link controller
JPS5514704A (en) * 1978-07-18 1980-02-01 Ricoh Co Ltd Data compression system
FR2446570A1 (en) * 1979-01-09 1980-08-08 Telecommunications Sa METHOD AND DEVICE ALLOWING THE SIMULTANEOUS TRANSMISSION OF A DIGITAL SIGNAL AND A LOW FREQUENCY WAVE
JPS5824060B2 (en) * 1979-06-08 1983-05-19 日本電信電話株式会社 Audio band multiplex transmission method
US4387460A (en) * 1979-07-23 1983-06-07 Societe Anonyme De Tele-Communication Supplementary information transmitting arrangement for a digital data transmission system
DE3012513C2 (en) * 1980-03-31 1984-04-26 Siemens AG, 1000 Berlin und 8000 München Procedure for monitoring analog and digital radio links
US4383322A (en) * 1980-05-02 1983-05-10 Harris Corporation Combined use of PN sequence for data scrambling and frame synchronization in digital communication systems
IT1151019B (en) * 1980-06-30 1986-12-17 Sits Soc It Telecom Siemens TIMING CIRCUIT FOR RECEPTION OF PCM SIGNALS
FR2524231A1 (en) * 1982-03-29 1983-09-30 Telecommunications Sa METHOD FOR TRANSMITTING A SIGNAL IN HDBN CODE WITH AN AUXILIARY BINARY SIGNAL, ENCODER AND DECODER ACCORDING TO THE METHOD AND SYSTEM FOR REMOTE MONITORING OF REPEATERS OF A DIGITAL LINK USING SUCH AUXILIARY SIGNALS
JPS58200654A (en) * 1982-05-18 1983-11-22 Nec Corp Communication device
US4504946A (en) * 1982-06-11 1985-03-12 Rca Corporation Time division multiple access communication systems
US4467469A (en) * 1982-10-19 1984-08-21 Gte Automatic Electric Inc. Circuitry for recovery of data from certain bit positions of a T1 span
DE3240304A1 (en) * 1982-10-30 1984-05-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Method for signal transmission between one or more remotely controllable floating and/or submersible bodies and a control centre
US4484327A (en) * 1983-05-02 1984-11-20 The United States Of America As Represented By The Secretary Of The Army Pulse code modulation rate converter
DE3327380A1 (en) * 1983-07-29 1985-02-07 Siemens AG, 1000 Berlin und 8000 München METHOD FOR BITRATE TRANSFORMING DIGITAL SIGNALS
JPS62140528A (en) * 1985-12-16 1987-06-24 Kenwood Corp Time division multiplexing signal separation system
US4901344A (en) * 1988-08-31 1990-02-13 156721 Canada Incorporated Telephone system digital channel bank interface
US4987573A (en) * 1988-08-31 1991-01-22 Pulsecom Division Of Hubbell Incorporated Telephone system digital channel bank interface
US4972474A (en) * 1989-05-01 1990-11-20 Cylink Corporation Integer encryptor
GB9008932D0 (en) * 1990-04-20 1990-06-20 British Broadcasting Corp Synchronisation of digital audio signals
JPH04286452A (en) * 1991-03-15 1992-10-12 Fujitsu Ltd Data communication equipment
FR2675924B1 (en) * 1991-04-25 1993-12-24 Innovatron Sa SYSTEM FOR EXCHANGING DATA BETWEEN AN ELECTRONIC OBJECT COUPLED TO A DISTINCT DATA-TRANSFER DEVICE, INSERABLE OBJECT AND CORRESPONDING TRANSFER DEVICE.
US5642397A (en) * 1991-05-01 1997-06-24 Alonzo Williams Paging system which combines a paging signal with a standard broadcast baseband signal
US5548623A (en) * 1992-02-20 1996-08-20 International Business Machines Corporation Null words for pacing serial links to driver and receiver speeds
DE19730294C1 (en) * 1997-07-15 1998-10-15 Deutsche Telekom Ag Method of transmitting signalling and digital control information for wavelength division multiplex (WDM) networks
JP4391091B2 (en) * 2003-01-17 2009-12-24 ソニー株式会社 Information transmission method, information transmission device, information recording method, information recording device, information reproducing method, information reproducing device, and recording medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025720A (en) * 1975-05-30 1977-05-24 Gte Automatic Electric Laboratories Incorporated Digital bit rate converter

Also Published As

Publication number Publication date
NL7709937A (en) 1978-03-13
FR2364574A1 (en) 1978-04-07
GB1552529A (en) 1979-09-12
ATA646377A (en) 1981-01-15
JPS5359318A (en) 1978-05-29
SE7710097L (en) 1978-03-10
US4151373A (en) 1979-04-24
CA1103371A (en) 1981-06-16
CH623692A5 (en) 1981-06-15
DE2740347A1 (en) 1978-03-16
CH621445A5 (en) 1981-01-30
FR2364574B1 (en) 1980-04-11

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee